WO2023097894A1 - Single-cylinder-type desulfurization slurry flash evaporation heat extraction system and operation method thereof - Google Patents

Single-cylinder-type desulfurization slurry flash evaporation heat extraction system and operation method thereof Download PDF

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WO2023097894A1
WO2023097894A1 PCT/CN2022/076461 CN2022076461W WO2023097894A1 WO 2023097894 A1 WO2023097894 A1 WO 2023097894A1 CN 2022076461 W CN2022076461 W CN 2022076461W WO 2023097894 A1 WO2023097894 A1 WO 2023097894A1
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slurry
cooling water
desulfurization slurry
inlet
tower body
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PCT/CN2022/076461
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French (fr)
Chinese (zh)
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彭烁
周贤
钟迪
姚国鹏
黄永琪
安航
白烨
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中国华能集团清洁能源技术研究院有限公司
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Publication of WO2023097894A1 publication Critical patent/WO2023097894A1/en

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D3/00—Distillation or related exchange processes in which liquids are contacted with gaseous media, e.g. stripping
    • B01D3/06—Flash distillation
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
    • B01D53/34—Chemical or biological purification of waste gases
    • B01D53/46—Removing components of defined structure
    • B01D53/48—Sulfur compounds
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
    • B01D53/34—Chemical or biological purification of waste gases
    • B01D53/74—General processes for purification of waste gases; Apparatus or devices specially adapted therefor
    • B01D53/80—Semi-solid phase processes, i.e. by using slurries
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
    • Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working

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  • the application belongs to the field of flash towers, and relates to a single-drum desulfurization slurry flash heat raising system and a working method thereof.
  • the desulfurization slurry flash heating technology utilizes the characteristic that the boiling point of the slurry in the wet flue gas desulfurization process will decrease with the decrease of the ambient pressure, so that the desulfurization slurry above the current negative pressure saturation temperature will flash, and the negative pressure steam will be carried.
  • Latent heat this technology can achieve multiple purposes of energy saving, water saving, and improving desulfurization efficiency, and can simultaneously take energy saving and emission reduction into consideration.
  • due to the limited space of the power plant it is difficult to reduce the footprint of the flash heating system.
  • the purpose of this application is to overcome the above-mentioned shortcomings of the prior art, provide a single-drum desulfurization slurry flash heating system and its working method, improve the space utilization rate of the flash heating system, and reduce the occupied area.
  • a single-drum desulfurization slurry flash heat raising system including a tower body;
  • the left half is provided with a desulfurization slurry inlet and a cold slurry outlet, and the desulfurization slurry inlet is located above the cold slurry outlet;
  • the right half is provided with a cooling water inlet, a cooling water outlet and a vacuum pipeline, the cooling water inlet is located above the cooling water outlet, and a vacuum pump is arranged in the vacuum pipeline.
  • the front end of the vacuum pipeline communicates with the inside of the right half, and baffle plates are arranged in front of and above the front end of the vacuum pipeline.
  • a demister is arranged in the left half, and the demister is located above the inlet of the desulfurization slurry.
  • the desulfurization slurry inlet is connected with a slurry distribution pipeline, the slurry distribution pipeline is located in the left half, the slurry distribution pipeline is arranged horizontally, and multiple slurry outlets are evenly distributed along the axial direction on the slurry distribution pipeline, and the slurry outlets face the tower body Bottom setting.
  • each slurry outlet is connected with a first nozzle.
  • the cooling water inlet is connected with a water distribution pipe, the water distribution pipe is located in the right half, the water distribution pipe is arranged horizontally, and there are multiple water outlets evenly distributed along its axial direction on the water distribution pipe, and the water outlets face the tower body Bottom setting.
  • each water outlet is connected with a second nozzle.
  • the desulfurization slurry inlet and the cooling water inlet are respectively connected to a slurry pump and a cooling water inlet pump; the cold slurry outlet and the cooling water outlet are respectively connected to a cold slurry pump and a cooling water outlet pump.
  • the desulfurization slurry enters the left half of the tower body through the desulfurization slurry inlet, and the vacuum pump draws the tower body into a negative pressure environment.
  • the desulfurization slurry undergoes flash evaporation, and the flash evaporated water vapor enters the right half of the tower body; cooling water enters the tower body through the cooling water inlet.
  • the flash evaporated water vapor is cooled and condensed, mixed with it, and discharged from the cooling water outlet.
  • the tower body is divided into left and right parts by a partition, so that the slurry and the cooling water area are separated, so that two kinds of work, flash evaporation and steam cooling, are completed in the space of a tower body, and the efficiency of the flash tower is effectively reduced. footprint.
  • the baffle plate at the front end of the vacuum pump can prevent cooling water from entering the vacuum pump and causing damage to the vacuum pump.
  • FIG. 1 is a schematic diagram of the system structure of the present application.
  • 1-tower body 2-demister; 3-cooling water inlet pump; 4-slurry distribution pipeline; 5-first nozzle; 6-slurry pump; 7-water distribution pipeline; 8-vacuum pump; 9-cooling Water outlet pump; 10-second nozzle; 11-baffle plate; 12-cold slurry pump.
  • FIG. 1 it is a desulfurization slurry flash heating system with a vertical layout described in this application, including a tower body 1, a demister 2, a cooling water inlet pump 3, a slurry distribution pipeline 4, a first nozzle 5, a slurry Pump 6, water distribution pipeline 7, vacuum pump 8, cooling water outlet pump 9, second nozzle 10, baffle plate 11 and cold slurry pump 12.
  • the tower body 1 is a circular single-tube structure
  • a partition plate is arranged in the middle of the tower body 1
  • the bottom of the partition board is connected with the tower body 1
  • a part of space is reserved in the upper part
  • the partition board divides the tower body 1 into left and right halves.
  • the circular cylinder, the left half is the slurry cylinder, and the right half is the cooling water cylinder.
  • the cavity of the tower body 1 is a negative pressure environment; the slurry distribution pipeline 4 is evenly distributed with a plurality of first nozzles 5 along its axial direction; the slurry inlet of the slurry distribution pipeline 4 is wetted with the coal-fired unit
  • the desulfurization slurry outlet of the French desulfurization tower is connected and extends into the left half, and the slurry distribution pipeline 4 is connected with a slurry pump 6 .
  • a cold slurry outlet is provided at the bottom of the left half, and the cold slurry outlet is connected with a cold slurry pump 12 .
  • a demister 2 is arranged in the left half, and the demister 2 is located above the inlet of the desulfurization slurry.
  • the right half is provided with a cooling water inlet, a cooling water outlet and a vacuum pipeline, the cooling water inlet is located above the cooling water outlet, and a vacuum pump 8 is arranged in the vacuum pipeline.
  • Vacuum pump 8 vacuumizes tower body 1, and the front end of the vacuum pipe communicates with the inside of the right half, and a shielding plate 11 is arranged on the front and top of the front end of the vacuum pipe to prevent liquid droplets from entering the vacuum pump 8.
  • the cooling water inlet is connected with a water distribution pipe 7, which is located in the right half, and the water distribution pipe 7 is arranged horizontally, and a plurality of water outlets are evenly distributed on the water distribution pipe 7 along its axial direction, and the water outlets face the tower body 1 bottom setting.
  • Each water outlet is connected to a second nozzle 10 .
  • the cooling water inlet is located at the top of the right half of the tower body 1, and the cooling water inlet is connected to the cooling water inlet pump 3; the cooling water outlet is located at the bottom of the right half of the tower body 1, and the cooling water outlet is connected to the cooling water outlet pump 9.
  • the desulfurization slurry from the desulfurization tower enters the slurry distribution pipeline 4, and after being boosted by the slurry pump 6, it is sprayed and broken into small droplets by the first nozzle 5 and enters the left half of the tower body 1. Since the inner cavity of the tower body 1 is In a negative pressure environment, the slurry droplets flash, and the water vapor from the flash enters the right half of the tower body 1 after being demistered by the demister 2. After cooling down, the cold slurry gathers at the bottom of the left half, and returns to the desulfurization tower after being pressurized by the cold slurry pump 12 .
  • the cooling water enters the water distribution pipeline, and after being boosted by the cooling water inlet pump 3, it is sprayed and broken into small droplets by the second nozzle 10, and the flash evaporated water vapor is cooled and condensed, and mixed with it, the water vapor in the right half
  • the bottom gathers and returns after the cooling water outlet pump 9 boosts the pressure.

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  • Chemical & Material Sciences (AREA)
  • Environmental & Geological Engineering (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Health & Medical Sciences (AREA)
  • Biomedical Technology (AREA)
  • Analytical Chemistry (AREA)
  • General Chemical & Material Sciences (AREA)
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  • Vaporization, Distillation, Condensation, Sublimation, And Cold Traps (AREA)
  • Treating Waste Gases (AREA)

Abstract

A single-cylinder-type desulfurization slurry flash evaporation heat extraction system and an operation method thereof. The system comprises a tower (1), wherein a partition plate is provided in the tower (1) and divides the tower (1) into a left part and a right part, with the tops of the left part and the right part communicating with each other. The left half part is provided with a desulfurization slurry inlet and a cold slurry outlet, with the desulfurization slurry inlet being located above the cold slurry outlet. The right half part is provided with a cooling water inlet, a cooling water outlet and a vacuum pipeline, with the cooling water inlet being located above the cooling water outlet, and a vacuum pump (8) being provided in the vacuum pipeline. The system and the operation method thereof can improve the space utilization rate of the flash evaporation heat extraction system, and reduce the occupied area thereof.

Description

一种单筒式脱硫浆液闪蒸提热系统及其工作方法A single-drum desulfurization slurry flash heating system and its working method 技术领域technical field
本申请属于闪蒸塔领域，涉及一种单筒式脱硫浆液闪蒸提热系统及其工作方法。The application belongs to the field of flash towers, and relates to a single-drum desulfurization slurry flash heat raising system and a working method thereof.
背景技术Background technique
脱硫浆液闪蒸提热技术利用湿法烟气脱硫工艺中浆液的沸点会随着环境压力降低而降低的特性，使当前负压饱和温度以上的脱硫浆液发生闪蒸，产生负压蒸汽携带有汽化潜热，该技术可实现节能、节水、提高脱硫效率的多重目的，可同时兼顾节能与减排。但由于电厂空间比较有限，闪蒸提热系统也很难降低占地面积。The desulfurization slurry flash heating technology utilizes the characteristic that the boiling point of the slurry in the wet flue gas desulfurization process will decrease with the decrease of the ambient pressure, so that the desulfurization slurry above the current negative pressure saturation temperature will flash, and the negative pressure steam will be carried. Latent heat, this technology can achieve multiple purposes of energy saving, water saving, and improving desulfurization efficiency, and can simultaneously take energy saving and emission reduction into consideration. However, due to the limited space of the power plant, it is difficult to reduce the footprint of the flash heating system.
发明内容Contents of the invention
本申请的目的在于克服上述现有技术的缺点，提供一种单筒式脱硫浆液闪蒸提热系统及其工作方法，提高闪蒸提热系统的空间利用率，减少占地面积。The purpose of this application is to overcome the above-mentioned shortcomings of the prior art, provide a single-drum desulfurization slurry flash heating system and its working method, improve the space utilization rate of the flash heating system, and reduce the occupied area.
为达到上述目的，本申请采用以下技术方案予以实现：In order to achieve the above object, the application adopts the following technical solutions to achieve:
一种单筒式脱硫浆液闪蒸提热系统，包括塔体；A single-drum desulfurization slurry flash heat raising system, including a tower body;
塔体内设置有隔板，隔板将塔体分隔为左右两部分，左右两部分的顶部连通；There is a partition in the tower body, which divides the tower body into left and right parts, and the tops of the left and right parts are connected;
左半部分设置有脱硫浆液进口和冷浆液出口，脱硫浆液进口位于冷浆液出口上方；The left half is provided with a desulfurization slurry inlet and a cold slurry outlet, and the desulfurization slurry inlet is located above the cold slurry outlet;
右半部分设置有冷却水进口、冷却水出口和真空管路，冷却水进口位于冷却水出口上方，真空管路内设置有真空泵。The right half is provided with a cooling water inlet, a cooling water outlet and a vacuum pipeline, the cooling water inlet is located above the cooling water outlet, and a vacuum pump is arranged in the vacuum pipeline.
可选的，真空管道前端与右半部分内部连通，真空管道前端的前方与上方设置有遮挡板。Optionally, the front end of the vacuum pipeline communicates with the inside of the right half, and baffle plates are arranged in front of and above the front end of the vacuum pipeline.
可选的，左半部分内设置有除雾器，除雾器位于脱硫浆液进口的上方。Optionally, a demister is arranged in the left half, and the demister is located above the inlet of the desulfurization slurry.
可选的，脱硫浆液进口连接有布浆液管道，布浆液管道位于左半部分内，布浆液管道水平设置，布浆液管道上沿其轴向方向均布有多个浆液出口，浆液出口朝向塔体底部设置。Optionally, the desulfurization slurry inlet is connected with a slurry distribution pipeline, the slurry distribution pipeline is located in the left half, the slurry distribution pipeline is arranged horizontally, and multiple slurry outlets are evenly distributed along the axial direction on the slurry distribution pipeline, and the slurry outlets face the tower body Bottom setting.
可选的，每个浆液出口均连接有一个第一喷嘴。Optionally, each slurry outlet is connected with a first nozzle.
可选的，冷却水进口连接有布水管道，布水管道位于右半部分内，布水管道水平设置，布水管道上沿其轴向方向均布有多个水出口，水出口朝向塔体底部设置。Optionally, the cooling water inlet is connected with a water distribution pipe, the water distribution pipe is located in the right half, the water distribution pipe is arranged horizontally, and there are multiple water outlets evenly distributed along its axial direction on the water distribution pipe, and the water outlets face the tower body Bottom setting.
可选的，每个水出口均连接有一个第二喷嘴。Optionally, each water outlet is connected with a second nozzle.
可选的，脱硫浆液进口和冷却水进口分别连接有浆液泵和冷却水进口泵；冷浆液出口和冷却水出口分别连接有冷浆液泵和冷却水出口泵。Optionally, the desulfurization slurry inlet and the cooling water inlet are respectively connected to a slurry pump and a cooling water inlet pump; the cold slurry outlet and the cooling water outlet are respectively connected to a cold slurry pump and a cooling water outlet pump.
一种基于上述任意一项所述垂直布局的脱硫浆液闪蒸提热系统的工作方法，包括以下过程：A working method of a desulfurization slurry flash heat raising system based on any one of the above-mentioned vertical layouts, including the following process:
脱硫浆液通过脱硫浆液进口进入塔体左半部分，真空泵将塔体内抽取为负压环境，脱硫浆液发生闪蒸，闪蒸出的水蒸气进入塔体右半部分；冷却水通过冷却水进口进入塔体右半部分，将闪蒸出的水蒸气降温冷凝，并与之混合后，从冷却水出口排出。The desulfurization slurry enters the left half of the tower body through the desulfurization slurry inlet, and the vacuum pump draws the tower body into a negative pressure environment. The desulfurization slurry undergoes flash evaporation, and the flash evaporated water vapor enters the right half of the tower body; cooling water enters the tower body through the cooling water inlet. In the right half of the body, the flash evaporated water vapor is cooled and condensed, mixed with it, and discharged from the cooling water outlet.
与现有技术相比，本申请具有以下有益效果：Compared with the prior art, the present application has the following beneficial effects:
本申请通过隔板将塔体分隔为左右两部分，使浆液与冷却水的区域分开，从而在一个塔体的空间内，完成了闪蒸和蒸汽冷却两种工作，有效降低了闪蒸塔的占地面积。In this application, the tower body is divided into left and right parts by a partition, so that the slurry and the cooling water area are separated, so that two kinds of work, flash evaporation and steam cooling, are completed in the space of a tower body, and the efficiency of the flash tower is effectively reduced. footprint.
进一步，真空泵前端的遮挡板能够防止冷却水进入真空泵中，造成真空泵的损坏。Further, the baffle plate at the front end of the vacuum pump can prevent cooling water from entering the vacuum pump and causing damage to the vacuum pump.
附图说明Description of drawings
图1为本申请的系统结构示意图。FIG. 1 is a schematic diagram of the system structure of the present application.
其中：1-塔体；2-除雾器；3-冷却水进口泵；4-布浆液管道；5-第一喷嘴；6-浆液泵；7-布水管道；8-真空泵；9-冷却水出口泵；10-第二喷嘴；11-遮挡板； 12-冷浆液泵。Among them: 1-tower body; 2-demister; 3-cooling water inlet pump; 4-slurry distribution pipeline; 5-first nozzle; 6-slurry pump; 7-water distribution pipeline; 8-vacuum pump; 9-cooling Water outlet pump; 10-second nozzle; 11-baffle plate; 12-cold slurry pump.
具体实施方式Detailed ways
下面结合附图对本申请做进一步详细描述：Below in conjunction with accompanying drawing, the application is described in further detail:
如图1所示，为本申请所述的垂直布局的脱硫浆液闪蒸提热系统，包括塔体1、除雾器2、冷却水进口泵3、布浆液管道4、第一喷嘴5、浆液泵6、布水管道7、真空泵8、冷却水出口泵9、第二喷嘴10、遮挡板11和冷浆液泵12。As shown in Figure 1, it is a desulfurization slurry flash heating system with a vertical layout described in this application, including a tower body 1, a demister 2, a cooling water inlet pump 3, a slurry distribution pipeline 4, a first nozzle 5, a slurry Pump 6, water distribution pipeline 7, vacuum pump 8, cooling water outlet pump 9, second nozzle 10, baffle plate 11 and cold slurry pump 12.
其中，所述塔体1呈圆形单筒结构，塔体1中间设置一个隔板，隔板底部与塔体1连接，上部留出部分空间，隔板将塔体1分为左右两个半圆形筒，左半部分为浆液筒，右半部分为冷却水筒。Wherein, the tower body 1 is a circular single-tube structure, a partition plate is arranged in the middle of the tower body 1, the bottom of the partition board is connected with the tower body 1, and a part of space is reserved in the upper part, and the partition board divides the tower body 1 into left and right halves. The circular cylinder, the left half is the slurry cylinder, and the right half is the cooling water cylinder.
所述塔体1的腔体为负压环境；所述布浆液管道4上沿其轴向方向均布有多个第一喷嘴5；所述布浆液管道4的进浆口与燃煤机组湿法脱硫塔的脱硫浆液出口连接，伸入到左半部分中，布浆液管道4的连接有浆液泵6。The cavity of the tower body 1 is a negative pressure environment; the slurry distribution pipeline 4 is evenly distributed with a plurality of first nozzles 5 along its axial direction; the slurry inlet of the slurry distribution pipeline 4 is wetted with the coal-fired unit The desulfurization slurry outlet of the French desulfurization tower is connected and extends into the left half, and the slurry distribution pipeline 4 is connected with a slurry pump 6 .
左半部分底部设置有冷浆液出口，冷浆液出口连接有冷浆液泵12。A cold slurry outlet is provided at the bottom of the left half, and the cold slurry outlet is connected with a cold slurry pump 12 .
左半部分内设置有除雾器2，除雾器2位于脱硫浆液进口的上方。A demister 2 is arranged in the left half, and the demister 2 is located above the inlet of the desulfurization slurry.
右半部分设置有冷却水进口、冷却水出口和真空管路，冷却水进口位于冷却水出口上方，真空管路内设置有真空泵8。The right half is provided with a cooling water inlet, a cooling water outlet and a vacuum pipeline, the cooling water inlet is located above the cooling water outlet, and a vacuum pump 8 is arranged in the vacuum pipeline.
真空泵8为塔体1抽真空，真空管道前端与右半部分内部连通，真空管道前端的前方与上方设置有遮挡板11，防止液滴进入真空泵8。 Vacuum pump 8 vacuumizes tower body 1, and the front end of the vacuum pipe communicates with the inside of the right half, and a shielding plate 11 is arranged on the front and top of the front end of the vacuum pipe to prevent liquid droplets from entering the vacuum pump 8.
冷却水进口连接有布水管道7，布水管道7位于右半部分内，布水管道7水平设置，布水管道7上沿其轴向方向均布有多个水出口，水出口朝向塔体1底部设置。每个水出口均连接有一个第二喷嘴10。The cooling water inlet is connected with a water distribution pipe 7, which is located in the right half, and the water distribution pipe 7 is arranged horizontally, and a plurality of water outlets are evenly distributed on the water distribution pipe 7 along its axial direction, and the water outlets face the tower body 1 bottom setting. Each water outlet is connected to a second nozzle 10 .
冷却水进口位于塔体1右半部分顶部，冷却水进口连接有冷却水进口泵3；冷却水出口位于塔体1右半部分底部，冷却水出口连接有冷却水出口泵9。The cooling water inlet is located at the top of the right half of the tower body 1, and the cooling water inlet is connected to the cooling water inlet pump 3; the cooling water outlet is located at the bottom of the right half of the tower body 1, and the cooling water outlet is connected to the cooling water outlet pump 9.
从脱硫塔来的脱硫浆液进入布浆液管道4，经过浆液泵6升压后，通过第一喷嘴5喷淋破碎成小液滴进入塔体1的左半部分，由于塔体1的内腔为负压 环境，浆液液滴发生闪蒸，闪蒸出的水蒸气经过除雾器2除雾后进入塔体1的右半部分。降温后的冷浆液在左半部分的底部聚集后，通过冷浆液泵12升压后回到脱硫塔。The desulfurization slurry from the desulfurization tower enters the slurry distribution pipeline 4, and after being boosted by the slurry pump 6, it is sprayed and broken into small droplets by the first nozzle 5 and enters the left half of the tower body 1. Since the inner cavity of the tower body 1 is In a negative pressure environment, the slurry droplets flash, and the water vapor from the flash enters the right half of the tower body 1 after being demistered by the demister 2. After cooling down, the cold slurry gathers at the bottom of the left half, and returns to the desulfurization tower after being pressurized by the cold slurry pump 12 .
冷却水进入布水管道，经过冷却水进口泵3升压后，通过第二喷嘴10喷淋破碎成小液滴，将闪蒸出的水蒸气降温冷凝，并与之混合后，在右半部分底部聚集，通过冷却水出口泵9升压后返回。The cooling water enters the water distribution pipeline, and after being boosted by the cooling water inlet pump 3, it is sprayed and broken into small droplets by the second nozzle 10, and the flash evaporated water vapor is cooled and condensed, and mixed with it, the water vapor in the right half The bottom gathers and returns after the cooling water outlet pump 9 boosts the pressure.
最后应当说明的是：以上实施例仅用以说明本申请的技术方案而非对其限制，尽管参照上述实施例对本申请进行了详细的说明，所属领域的普通技术人员应当理解：依然可以对本申请的具体实施方式进行修改或者等同替换，而未脱离本申请精神和范围的任何修改或者等同替换，其均应涵盖在本申请的权利要求保护范围之内。Finally, it should be noted that: the above embodiments are only used to illustrate the technical solutions of the present application and not to limit them. Although the present application has been described in detail with reference to the above embodiments, those of ordinary skill in the art should understand that: the present application can still be Any modification or equivalent replacement that does not depart from the spirit and scope of the present application shall fall within the protection scope of the claims of the present application.

Claims (9)

  1. 一种单筒式脱硫浆液闪蒸提热系统，其特征在于，包括塔体(1)；A single-drum desulfurization slurry flash heat raising system, characterized in that it includes a tower body (1);
    塔体(1)内设置有隔板，隔板将塔体(1)分隔为左右两部分，左右两部分的顶部连通；The tower body (1) is provided with a partition, and the partition board separates the tower body (1) into left and right parts, and the tops of the left and right parts are connected;
    左半部分设置有脱硫浆液进口和冷浆液出口，脱硫浆液进口位于冷浆液出口上方；The left half is provided with a desulfurization slurry inlet and a cold slurry outlet, and the desulfurization slurry inlet is located above the cold slurry outlet;
    右半部分设置有冷却水进口、冷却水出口和真空管路，冷却水进口位于冷却水出口上方，真空管路内设置有真空泵(8)。The right half is provided with a cooling water inlet, a cooling water outlet and a vacuum pipeline, the cooling water inlet is located above the cooling water outlet, and a vacuum pump (8) is arranged in the vacuum pipeline.
  2. 根据权利要求1所述的单筒式脱硫浆液闪蒸提热系统，其特征在于，真空管道前端与右半部分内部连通，真空管道前端的前方与上方设置有遮挡板(11)。The single-tube desulfurization slurry flash heating system according to claim 1, characterized in that the front end of the vacuum pipeline communicates with the right half, and a shielding plate (11) is provided in front of and above the front end of the vacuum pipeline.
  3. 根据权利要求1所述的单筒式脱硫浆液闪蒸提热系统，其特征在于，左半部分内设置有除雾器(2)，除雾器(2)位于脱硫浆液进口的上方。The single-tube desulfurization slurry flash heat raising system according to claim 1, characterized in that a demister (2) is arranged in the left half, and the demister (2) is located above the inlet of the desulfurization slurry.
  4. 根据权利要求1所述的单筒式脱硫浆液闪蒸提热系统，其特征在于，脱硫浆液进口连接有布浆液管道(4)，布浆液管道(4)位于左半部分内，布浆液管道(4)水平设置，布浆液管道(4)上沿其轴向方向均布有多个浆液出口，浆液出口朝向塔体(1)底部设置。The single-cylinder type desulfurization slurry flash heat raising system according to claim 1, wherein the desulfurization slurry inlet is connected with a slurry distribution pipeline (4), the slurry distribution pipeline (4) is located in the left half, and the slurry distribution pipeline ( 4) Horizontally arranged, the slurry distribution pipeline (4) is uniformly distributed with a plurality of slurry outlets along its axial direction, and the slurry outlets are arranged towards the bottom of the tower body (1).
  5. 根据权利要求1所述的单筒式脱硫浆液闪蒸提热系统，其特征在于，每个浆液出口均连接有一个第一喷嘴(5)。The single-drum desulfurization slurry flash heat raising system according to claim 1, characterized in that each slurry outlet is connected with a first nozzle (5).
  6. 根据权利要求1所述的单筒式脱硫浆液闪蒸提热系统，其特征在于，冷却水进口连接有布水管道(7)，布水管道(7)位于右半部分内，布水管道(7)水平设置，布水管道(7)上沿其轴向方向均布有多个水出口，水出口朝向塔体(1)底部设置。The single-tube desulfurization slurry flash heat raising system according to claim 1, wherein the cooling water inlet is connected with a water distribution pipeline (7), the water distribution pipeline (7) is located in the right half, and the water distribution pipeline ( 7) Horizontally arranged, a plurality of water outlets are evenly distributed along the axial direction of the water distribution pipe (7), and the water outlets are arranged towards the bottom of the tower body (1).
  7. 根据权利要求1所述的单筒式脱硫浆液闪蒸提热系统，其特征在于，每个水出口均连接有一个第二喷嘴(10)。The single-drum desulfurization slurry flash heat raising system according to claim 1, characterized in that each water outlet is connected with a second nozzle (10).
  8. 根据权利要求1所述的单筒式脱硫浆液闪蒸提热系统，其特征在于，脱硫浆液进口和冷却水进口分别连接有浆液泵(6)和冷却水进口泵(3)；冷浆 液出口和冷却水出口分别连接有冷浆液泵(12)和冷却水出口泵(9)。The single-drum desulfurization slurry flash heat raising system according to claim 1, wherein the desulfurization slurry inlet and the cooling water inlet are respectively connected with a slurry pump (6) and a cooling water inlet pump (3); the cold slurry outlet and The cooling water outlet is respectively connected with a cold slurry pump (12) and a cooling water outlet pump (9).
  9. 一种基于权利要求1-8任意一项所述垂直布局的脱硫浆液闪蒸提热系统的工作方法，其特征在于，包括以下过程：A working method based on the vertically arranged desulfurization slurry flash heat raising system according to any one of claims 1-8, characterized in that it comprises the following process:
    脱硫浆液通过脱硫浆液进口进入塔体(1)左半部分，真空泵(8)将塔体(1)内抽取为负压环境，脱硫浆液发生闪蒸，闪蒸出的水蒸气进入塔体(1)右半部分；冷却水通过冷却水进口进入塔体(1)右半部分，将闪蒸出的水蒸气降温冷凝，并与之混合后，从冷却水出口排出。The desulfurization slurry enters the left half of the tower body (1) through the desulfurization slurry inlet, and the vacuum pump (8) draws the inside of the tower body (1) into a negative pressure environment. The desulfurization slurry undergoes flash evaporation, and the flash evaporated water vapor enters the tower body (1 ) right half; the cooling water enters the right half of the tower body (1) through the cooling water inlet, cools and condenses the flash steam, mixes it, and discharges it from the cooling water outlet.
PCT/CN2022/076461 2021-11-30 2022-02-16 Single-cylinder-type desulfurization slurry flash evaporation heat extraction system and operation method thereof WO2023097894A1 (en)

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